CN1859993B - Master spindle for tapping machine - Google Patents
Master spindle for tapping machine Download PDFInfo
- Publication number
- CN1859993B CN1859993B CN200580001197XA CN200580001197A CN1859993B CN 1859993 B CN1859993 B CN 1859993B CN 200580001197X A CN200580001197X A CN 200580001197XA CN 200580001197 A CN200580001197 A CN 200580001197A CN 1859993 B CN1859993 B CN 1859993B
- Authority
- CN
- China
- Prior art keywords
- chuck
- support member
- chuck support
- beating
- cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
- B23G1/18—Machines with one working spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
Disclosed is a master spindle for tapping machine. The master spindle comprises a chuck (53) having a tap (51) detachably mounted thereto; a chuck support member (55) having the chuck (53) mounted thereto; a spindle bolt (57) fastened to the chuck support member (55) at an upper end thereof; and a bushing nut (59) threadedly coupled to the spindle bolt (57) and positioned below the chuck support member (55). The chuck support member (55) has an upper end to which the chuck (53) is mounted and a lower end to which the spindle bolt (57) is fastened, the upper and lower ends being integrally formed with each other.
Description
Technical field
Put it briefly, the present invention relates to a kind of master spindle for tapping machine, it can at a high speed and attack internal thread accurately in workpiece, more particularly, relate to a kind of master spindle for tapping machine that uses single chuck support member, wherein, the umbrella chip cover or the correction cap of beating are installed around chuck support member alternatively, chuck support member has the screw tap sorting hole, so that can easily screw tap be separated with chuck, and limits screwed hole in by the lining nut that is threaded onto mandrels bolt.
Background technology
With reference to Fig. 1, in traditional master spindle for tapping machine 1, screw tap 3 is installed to chuck 5 in separable mode, and chuck 5 is installed to upper chuck support member 7.Upper chuck support member 7 is locked on the lower support member 9 that is installed to mandrels bolt 11 in separable mode.Lining nut 13 is locked on the mandrels bolt 11 and is positioned at the below of lower support member 9.Therefore, mandrels bolt 11 can rise or descend in respect to lining nut 13 rotations that are fastened to anchor clamps 15.The lower end of mandrels bolt 11 is connected to universal joint (or cable) (not shown) to receive power.
Summary of the invention
But, in traditional master spindle for tapping machine 1, because upper chuck support member 7 and lower support member 9 are connected to each other by bolt, therefore when mandrels bolt 11 damages, only need change lower support member 9 and mandrels bolt 11 into new get final product, but because decentraction between upper chuck support member 7 and the lower support member 9, so always go wrong.In addition, because therefore upper chuck support member 7 and lower support member 9 comprise that the length " h " of the whole supporting construction of upper chuck support member 7 and lower support member 9 has increased by the bolt fact connected to one another.Though the defective that when workpiece is carried out tapping, exists screw tap 3 to beat, up to the present, the still unexposed method that prevents that screw tap 3 from beating in this area.
And, can find out at an easy rate that from Fig. 2 in traditional master spindle for tapping machine 1, when vertically carrying out tapping, detrital grain 17 might enter chuck 5, thereby may be not easy screw tap 3 is separated with chuck 5 owing to the existence of detrital grain 17 make.In addition, when vertically carrying out tapping, detrital grain 17 might enter the gap between lining nut 13 and the mandrels bolt 11, thereby may damage the screw thread of lining nut 13 and mandrels bolt 11 by pressure.
Moreover, from Fig. 3, can find out at an easy rate, in traditional master spindle for tapping machine 1, because the flange section 13a of lining nut 13 only has the fact of two installing hole 13b, therefore anchor clamps 15 must be positioned at the below of the flange section 13a of lining nut 13, as shown in Figure 2.Therefore, when anchor clamps 15 must be positioned at the top of flange section 13a of lining nut 13,, can not carry out tapping processing because lining nut 13 can't be fixed to anchor clamps 15.
Correspondingly, the present invention considers the above-mentioned problems in the prior art, an object of the present invention is to provide a kind of master spindle for tapping machine, wherein, use single chuck support member support chuck to reduce the length of chuck support structure, and solve the drawback that the chuck support structure decentraction is brought.
Another object of the present invention provides a kind of master spindle for tapping machine, wherein, the umbrella chip cover is installed around the chuck support member lower end, enters the gap between lining nut and the mandrels bolt to prevent detrital grain, and avoids the screw thread of lining nut and mandrels bolt to be damaged by pressure.
Another purpose of the present invention provides a kind of master spindle for tapping machine, wherein, the correction cap of installing around chuck support member of beating is connected to the lining nut by bolt, so that when rotating with respect to the lining nut by the mandrels bolt that is threaded onto the lining nut, the chuck support member that integral body is connected to mandrels bolt can rise or descend and not beat at the circumferential inner surface of proofreading and correct cap of beating, and the correction cap of beating can prevent that detrital grain from entering the gap between lining nut and the mandrels bolt.
A further object of the present invention provides a kind of master spindle for tapping machine, wherein, chuck support member has the screw tap sorting hole, so that can easily screw tap be separated with chuck, like this, even detrital grain enters chuck when vertically carrying out tapping,, also can reliably screw tap be separated with chuck where necessary owing to can chuck be released in the lower end of screw tap by the bar that inserts the screw tap sorting hole.
A further object of the invention just provides a kind of master spindle for tapping machine, wherein, defines auxiliary installing hole at the flange section of lining nut, so that the lining nut can be installed to anchor clamps, and the position of pipe clamp is not how.
From top description, can obviously find out, advantage according to master spindle for tapping machine of the present invention is, because the top and bottom of chuck support member constitute an integral body, so can eliminate because the drawback that the chuck support structure decentraction in traditional main shaft is brought, and can reduce the length of whole chuck support structure, thereby the beating of main shaft when having reduced tapping, and improve the precision of tapping processing.
In addition, in master spindle for tapping machine according to the present invention,, therefore can prevent that detrital grain from entering the gap between lining nut and the mandrels bolt, and avoid the screw thread of lining nut and mandrels bolt to be damaged by pressure owing to there is the umbrella chip cover.
And, in master spindle for tapping machine according to the present invention, because chuck support member has the fact of being convenient to screw tap sorting hole that screw tap is separated with chuck, therefore even vertically carrying out tapping adds the man-hour detrital grain and enters chuck, also can chuck be released in the lower end of screw tap, thereby can reliably screw tap be separated with chuck where necessary by the bar that inserts the screw tap sorting hole.
Moreover, in rose silk machine main shaft according to the present invention, because screwed hole is defined in the flange section of lining nut, thus the lining nut can be installed to anchor clamps, and the position of pipe clamp is not how.
And, in master spindle for tapping machine according to the present invention, proofread and correct the fact of beating that cap can reduce axis body owing to beat, even therefore the screw thread of lining nut and mandrels bolt is worn, also can carry out tapping processing reliably.In addition, can prolong the service life of lining nut and mandrels bolt, and prevent that tapping from adding the detrital grain that produces man-hour and entering gap between lining nut and the mandrels bolt.
Though disclose the preferred embodiments of the present invention for purposes of illustration, it be to be appreciated that those skilled in the art that and on the basis that does not exceed scope of the present invention and purport, to carry out various modifications, interpolation and replacement, as described in claims to it.
Description of drawings
After below reading in conjunction with the accompanying drawings, describing in detail, can more clearly understand above-mentioned purpose of the present invention and other characteristics and advantage.Appended figure comprises:
The half sectional view of Fig. 1 has shown traditional master spindle for tapping machine;
The half sectional view of Fig. 2 has shown the main shaft among Fig. 1 under the state that vertically carries out tapping;
The perspective view of Fig. 3 has shown the lining nut shown in Fig. 1 and Fig. 2 separately;
The half sectional view of Fig. 4 has shown master spindle for tapping machine according to an embodiment of the invention;
The half sectional view of Fig. 5 has shown the main shaft among Fig. 4 under the state that vertically carries out tapping;
The half sectional view of Fig. 6 has shown according to main shaft of the present invention, wherein, beats and proofreaies and correct cap around the chuck support member installation;
The half sectional view of Fig. 7 has shown the correction cap of beating separately;
The perspective view of Fig. 8 has shown the lining nut;
The half sectional view of Fig. 9 has shown main shaft, and wherein, the lining nut is installed on the anchor clamps of the flange section that is positioned at the lining nut.
The specific embodiment
Illustrate in greater detail the preferred embodiments of the present invention referring now to the example in the accompanying drawing.As possible, whole accompanying drawing with the explanation in will represent same or analogous parts with identical Ref. No..
With reference to Fig. 4, master spindle for tapping machine 50 according to an embodiment of the invention comprises: chuck 53 has in separable mode and is installed to screw tap 51 on it; Chuck support member 55, chuck for installing 53 on it; Mandrels bolt 57 locates to be fastened to chuck support member 55 in the top; And lining nut 59, by being threaded onto mandrels bolt 57 and being positioned at the below of chuck support member 55.
Chuck 53 is installed to the upper end of chuck support member 55, and mandrels bolt 57 is fastened to the lower end of chuck support member 55.The top and bottom of chuck support member 55 constitute an integral body each other.In this way, can improve the screw strength of mandrels bolt 57, and can prevent that detrital grain 100 from entering the gap (will be elaborated to this after a while) between mandrels bolt 57 and the lining nut 59.As a result, because can use mandrels bolt 57 in semipermanent ground, so needn't equally use two independent supporting members with traditional technology.
In addition, because chuck support member 55 has the fact of the top and bottom of one, therefore can overcome in traditional main shaft because the drawback that the chuck support structure decentraction is brought, and can reduce the length " S " of whole chuck support structure, thereby the beating and improved the precision of tapping processing of main shaft 50 when having reduced tapping.
With reference to Fig. 5, umbrella chip cover 61 is positioned at the lower end of chuck support member 55.Chip cover 61 can prevent to enter space between mandrels bolt 57 and the lining nut 59 (even vertically carry out tapping add man-hour) from the detrital grain 100 that the workpiece (not shown) produces, thereby the screw thread that can prevent mandrels bolt 57 and lining nut 59 is damaged by pressure.
With reference to Fig. 6, through further improving, enter the space between mandrels bolt 57 and the lining nut 59 and prevent that screw tap 51 from beating in order to prevent detrital grain 100, chuck support member 55 has to beat proofreaies and correct cap 70.
The correction cap 70 of beating has opening 77, and chuck for installing supporting member 55 in it is so that the circumferential outer surface of chuck support member 55 closely contacts with the circumferential inner surface 79 of proofreading and correct cap 70 of beating.The correction cap 70 of beating has flange section 75, and it is connected to lining nut 59 by check bolt 81.
The result, when mandrels bolt 57 rotates with respect to the lining nut 59 that is fastened to anchor clamps 91, the chuck support member 55 that integral body is connected to mandrels bolt 57 closely contacts with the circumferential inner surface 79 of proofreading and correct cap 70 of beating, and can rise or descend and not beat with respect to the correction cap 70 of beating that is fastened to lining nut 59.
In addition, beat and proofread and correct cap 70 and play and prevent that detrital grain 100 from entering the effect in the space between mandrels bolt 57 and the lining nut 59.
With reference to Fig. 7, beat and proofread and correct cap 70 and have the cylindrical structure similar to chuck support member 55.O shape circle 71 is assemblied in the circumferential inner surface 79 of the correction cap 70 of beating of proofreading and correct cap 70 upper ends near beating.The correction cap 70 of beating has fuel feed hole 73, and it communicates with opening 77.
O shape circle 71 is used to stop up chuck support member 55 and beats and proofread and correct gap between the cap 70, makes to proofread and correct with respect to beating that cap 70 rises or during decline, can further reduce beating of chuck support member 55 when chuck support member 55.
Flow into to beat by fuel feed hole 73 and proofread and correct oil in the cap 70 and reduced friction when chuck support member 55 is proofreaied and correct cap 70 and rotated with respect to beating.
Proofread and correct the existence of cap 70 owing to have beating of above-mentioned structure, even when the screw thread of mandrels bolt 57 and lining nut 59 is damaged by pressure, because sliding in the correction cap 70 of beating, chuck support member 55 do not beat, so prevented beating of screw tap 51, thereby can carry out tapping processing reliably, and can prevent that tapping from adding the detrital grain 100 that produces man-hour and entering space between mandrels bolt 57 and the lining nut 59.
Referring again to Fig. 4 and Fig. 5, chuck support member 55 is defined in the below of chuck 53, and has screw tap sorting hole 63, so that can easily screw tap 51 be separated with chuck 53.Therefore, add man-hour when vertically carrying out tapping, if detrital grain 100 enters in the chuck 53 and makes and is not easy screw tap 51 is separated with chuck 53, then, can easily screw tap 51 be separated with chuck 53 by bar (not shown) etc. being inserted in the screw tap sorting hole 63 so that chuck 53 is released in the lower end of screw tap 51.
With reference to Fig. 8, lining nut 59 has installing hole 59b and auxiliary installing hole 59c.Therefore, can be readily seen that from Fig. 5 that when anchor clamps 91 were positioned at the below of flange section 59a of lining nut 59, bolt 83 can pass installing hole 59b and lock onto the auxiliary installing hole 93b of anchor clamps 91, so that lining nut 59 is fastened to anchor clamps 91.At this moment, as shown in Figure 6, because check bolt 81 locks onto installing hole 59b, so the correction cap 70 of beating is fastened to lining nut 59.In addition, when anchor clamps 91 are positioned at the top of flange section 59a of lining nut 59, because bolt 87 passes the installing hole 93c of anchor clamps 91, and lock onto the auxiliary installing hole 59c that is defined in flange section 59a, so lining nut 59 can be fastened to anchor clamps 91.At this moment, because check bolt 81 locks onto auxiliary installing hole 59c, so the correction cap 70 of beating is fastened to lining nut 59.
Therefore, installing hole 59b and auxiliary installing hole 59c by lining nut 59 can be fastened to anchor clamps 91 with lining nut 59, and the position of pipe clamp 91 is not how.
Claims (6)
1. master spindle for tapping machine, it comprises: chuck has in separable mode and is installed to screw tap on it; Chuck support member, chuck for installing on it; Mandrels bolt locates to be fastened to chuck support member in the top; And the lining nut, by being threaded onto mandrels bolt and being positioned at the below of chuck support member; Wherein, chuck is installed to the upper end of chuck support member, and mandrels bolt is fastened to the lower end of chuck support member, it is characterized in that: the top and bottom of chuck support member constitute an integral body each other.
2. master spindle for tapping machine as claimed in claim 1 further comprises the umbrella chip cover, and this umbrella chip cover is positioned at the lower end of chuck support member.
3. master spindle for tapping machine as claimed in claim 1, wherein, chuck support member has the correction of beating cap.
4. master spindle for tapping machine as claimed in claim 3, wherein, the correction hatband of beating has opening, chuck for installing supporting member in it, so that the circumferential outer surface of chuck support member closely contacts with the circumferential inner surface of proofreading and correct cap of beating, in addition, the correction cap of beating has flange section, and it is connected to the lining nut by bolt; Beat and proofread and correct cap and more include O shape circle, this O shape circle is assemblied in to be proofreaied and correct beating of cap upper end near beating and proofreaies and correct in the circumferential inner surface of cap, and beats and proofread and correct hatband fuel feed hole is arranged, and it communicates with opening.
5. master spindle for tapping machine as claimed in claim 1, wherein, the chuck support member that is positioned at the chuck below has the screw tap sorting hole, so that can easily screw tap be separated with chuck.
6. master spindle for tapping machine as claimed in claim 1, wherein, the lining nut has installing hole and auxiliary installing hole.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2004-0010888 | 2004-02-19 | ||
| KR1020040010888A KR100466925B1 (en) | 2004-02-19 | 2004-02-19 | Master spindle of tapping machine |
| KR1020040010888 | 2004-02-19 | ||
| KR2020040029704 | 2004-10-21 | ||
| KR20-2004-0029704U KR200374319Y1 (en) | 2004-10-21 | 2004-10-21 | Master spindle of tapping machine |
| KR20-2004-0029704 | 2004-10-21 | ||
| PCT/KR2005/000410 WO2005080040A1 (en) | 2004-02-19 | 2005-02-15 | Master spindle for tapping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1859993A CN1859993A (en) | 2006-11-08 |
| CN1859993B true CN1859993B (en) | 2010-05-05 |
Family
ID=37224079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580001197XA Expired - Fee Related CN1859993B (en) | 2004-02-19 | 2005-02-15 | Master spindle for tapping machine |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100466925B1 (en) |
| CN (1) | CN1859993B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100631848B1 (en) * | 2005-05-10 | 2006-10-09 | (주)성헌 | Master spindle for processing tapping hole |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385854A (en) * | 1979-08-21 | 1983-05-31 | Miyakawa Industry Co., Ltd. | Collet chuck assembly for taps |
| CN2120650U (en) * | 1992-03-21 | 1992-11-04 | 顿矛 | Tap holder |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58165906A (en) * | 1982-03-26 | 1983-10-01 | Fuji Tekkosho:Kk | Quick-change drill chuck |
| KR100216448B1 (en) * | 1996-09-02 | 1999-08-16 | 정몽규 | Tapping head for engine work |
| KR200195572Y1 (en) * | 1998-04-07 | 2000-09-01 | 김상재 | A tapping jig device for lathe |
-
2004
- 2004-02-19 KR KR1020040010888A patent/KR100466925B1/en not_active IP Right Cessation
-
2005
- 2005-02-15 CN CN200580001197XA patent/CN1859993B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4385854A (en) * | 1979-08-21 | 1983-05-31 | Miyakawa Industry Co., Ltd. | Collet chuck assembly for taps |
| CN2120650U (en) * | 1992-03-21 | 1992-11-04 | 顿矛 | Tap holder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1859993A (en) | 2006-11-08 |
| KR100466925B1 (en) | 2005-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20140215 |